CA3093980A1 - Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques - Google Patents

Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques Download PDF

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Publication number
CA3093980A1
CA3093980A1 CA3093980A CA3093980A CA3093980A1 CA 3093980 A1 CA3093980 A1 CA 3093980A1 CA 3093980 A CA3093980 A CA 3093980A CA 3093980 A CA3093980 A CA 3093980A CA 3093980 A1 CA3093980 A1 CA 3093980A1
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CA
Canada
Prior art keywords
transmitter
assemblies
magnetic
assembly
tracking system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA3093980A
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English (en)
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CA3093980C (fr
Inventor
Mark Robert SCHNEIDER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northern Digital Inc
Original Assignee
Ascension Technology Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ascension Technology Corp filed Critical Ascension Technology Corp
Priority to CA3210881A priority Critical patent/CA3210881A1/fr
Publication of CA3093980A1 publication Critical patent/CA3093980A1/fr
Application granted granted Critical
Publication of CA3093980C publication Critical patent/CA3093980C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
    • G01D5/2073—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2051—Electromagnetic tracking systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2068—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis using pointers, e.g. pointers having reference marks for determining coordinates of body points
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10048—Infrared image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30204—Marker
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30204—Marker
    • G06T2207/30208—Marker matrix

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Robotics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Endoscopes (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Un système de suivi magnétique est configuré pour déterminer une pose dobjet dun objet suivi dans un environnement du système de suivi magnétique. Le système de suivi comprend un ensemble émetteur disposant dune bobine de transmission configurée pour générer un signal magnétique indicateur dune pose de lobjet suivi par rapport à lensemble émetteur et un marqueur visuel dune pose de lensemble émetteur par rapport à une caméra. La caméra enregistre au moins une image de lensemble émetteur. Un dispositif informatique détermine, en fonction de limage, une pose de lensemble émetteur dans limage. En fonction du signal magnétique et de la pose associée à lensemble émetteur, le dispositif informatique détermine la pose de lobjet suivi dans lenvironnement.
CA3093980A 2019-09-26 2020-09-23 Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques Active CA3093980C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3210881A CA3210881A1 (fr) 2019-09-26 2020-09-23 Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962906532P 2019-09-26 2019-09-26
US62/906,532 2019-09-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3210881A Division CA3210881A1 (fr) 2019-09-26 2020-09-23 Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques

Publications (2)

Publication Number Publication Date
CA3093980A1 true CA3093980A1 (fr) 2021-03-26
CA3093980C CA3093980C (fr) 2023-10-31

Family

ID=74872683

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3210881A Pending CA3210881A1 (fr) 2019-09-26 2020-09-23 Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques
CA3093980A Active CA3093980C (fr) 2019-09-26 2020-09-23 Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA3210881A Pending CA3210881A1 (fr) 2019-09-26 2020-09-23 Reseau de transmetteurs reconfigurables pour des systemes de suivi electromagnetiques

Country Status (4)

Country Link
US (1) US11953349B2 (fr)
CN (1) CN112545648A (fr)
CA (2) CA3210881A1 (fr)
DE (1) DE102020125165A1 (fr)

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* Cited by examiner, † Cited by third party
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WO2023286065A1 (fr) * 2021-07-15 2023-01-19 Magnisity Ltd. Géométrie de bobine pour un système de suivi électromagnétique
US20230399127A1 (en) * 2022-06-09 2023-12-14 Honeywell International Inc. Active landing marker

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Also Published As

Publication number Publication date
CA3093980C (fr) 2023-10-31
US11953349B2 (en) 2024-04-09
CN112545648A (zh) 2021-03-26
US20210096001A1 (en) 2021-04-01
DE102020125165A1 (de) 2021-04-01
CA3210881A1 (fr) 2021-03-26

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